CN209041626U - A kind of eccentric half-ball valve - Google Patents

Abstract

The utility model discloses a kind of eccentric half-ball valves, including valve seat, the inside of the valve seat is equipped with limbers, side is equipped with spherical cavity in the inside of the limbers, the inner wall close installation of the spherical cavity has hemisphere spool, the upper middle side part of the valve seat is fixedly installed with gear box, and the upper center of the gear box is equipped with oil inlet, and the upper port of the oil inlet is fixedly connected with lubricating oil adding apparatus.The impact resistance of silicon steel layer is stronger, and it is taken off by manganese steel fibrous layer and is attached to its right side, so that its impact stability is more excellent, so that hemisphere spool is under fluid long-time high speed impact, the phenomenon that being not in fracture, keep original pair of fluid making capacity of hemisphere spool, when needing that lubricating oil is added into gear box, rotate rotating plate, plug-hole square plate leaves oil leaking hole, lubricating oil is added from cylinder upper port, and lubricating oil can enter in gear box from the oil leaking hole of annular setting, more convenient that lubricating oil is added into gear box.

Description

A kind of eccentric half-ball valve

Technical field

The utility model relates to semisphere valve technical field, specially a kind of eccentric half-ball valve.

Background technique

Eccentric half-ball valve is a kind of relatively new type ball valve classification, some superiority that it has self structure exclusive, Such as switch without friction, sealing is not easy to wear and opening and closing torque is small, can reduce the specification of match actuator in this way, it is electric to be equipped with more revolutions Dynamic executing agency is widely used in the requirement such as petroleum, chemical industry, urban water supply and sewerage, it can be achieved that adjusting and featuring rigid cutting-off to medium The operating condition strictly cut off.

Existing eccentric half-ball valve, multi-pass cross rotation handwheel, so that worm screw drives worm gear rotation inside gear box, because of worm gear Lower end center is connect with valve rod, that is, be may make valve rod to drive hemisphere valve core rotation opening and closing limbers, led to realize to fluid It is disconnected, but have the following problems in actual use: first, hemisphere spool is integrally made of cast iron, inside by valve seat Under the long-term intense impact of fluid, half-round valve core is integrally easy cracking, and spool itself is caused to be decreased obviously fluid making capacity, the Two, during practical set, lubricating oil is filled in gear box, primarily to keeping worm and wheel occlusion smooth, but gear box Upper end is closed using box cover, and cooperates closing using the multiple groups screw bolt and nut of annular setting, prevents external dust from entering transmission In box, and lubricating oil can be volatilized under rotation accessory guidance outside gear box with flowing out gear box on a small quantity, until in gear box Portion's lubricating oil has completely consumed, and at this moment needs to be disassembled these screw bolt and nut with spanner, then open box cover, Xiang Chuan Lubricating oil is added in dynamic box, after the completion, it is also necessary to box cover is covered, screw bolt and nut has been reinstalled, it is very troublesome.

Utility model content

The purpose of this utility model is to provide a kind of eccentric half-ball valves, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of eccentric half-ball valve, including valve seat, institute The inside for stating valve seat is equipped with limbers, and side is equipped with spherical cavity in the inside of the limbers, and the inner wall close installation of the spherical cavity has Hemisphere spool, the upper middle side part of the valve seat are fixedly installed with gear box, and the upper center of the gear box is equipped with oil inlet, institute The upper port for stating oil inlet is fixedly connected with lubricating oil adding apparatus, and the lubricating oil adding apparatus includes cylinder, plectane, turns Bar, plug-hole square plate, circle support ring, torsional spring and rotating plate, the inside of the hemisphere spool include stainless steel layer, high-carbon steel fibrous layer, Silicon steel layer, manganese steel fibrous layer and tungsten chromium tungsten alloy layer.

Preferably, the lower middle side part of the hemisphere spool is fixedly connected with round rotary column, and the inner lower of spherical cavity is equipped with circular groove, The inner rotation of circular groove installs circle rotary column, and the upper inside of spherical cavity is equipped with turn hole, and the upper middle side part of hemisphere spool is fixedly connected with The inner rotation of valve rod, turn hole installs valve rod.

Preferably, side is equipped with plectane in the inner wall of the cylinder, and plectane inner annular is equipped with oil leaking hole, in the middle side of plectane Portion is equipped with circular hole, and the internal slide of circular hole is plugged with bull stick, and the downside annular of bull stick is equipped with plug-hole square plate, the upper end of plug-hole square plate The lower port of face sliding contact oil leaking hole, the lower part of bull stick are fixedly installed with circle and support ring, are cased with torsional spring on the outside of bull stick, torsional spring Upper end is fixedly connected on the lower end that circle supports ring, and the lower end of torsional spring is fixedly connected on the upper end of plectane, and the upper end of bull stick is fixedly connected There is rotating plate.

Preferably, the right side press forging of the stainless steel layer has high-carbon steel fibrous layer, the right side of high-carbon steel fibre deck Founding has silicon steel layer, and the right side press forging of silicon steel layer has manganese steel fibrous layer, and the right side founding of manganese steel fibrous layer has the conjunction of tungsten chromium tungsten Layer gold.

Compared with prior art, the utility model has the beneficial effects that first, stainless steel layer itself has good resistance to punching Hitting property, and corrosion-resistant is taken off by high-carbon steel fibrous layer and is attached to its right side, not easy to break so that its is more rigid, silicon steel layer it is resistance to Impact is stronger, and is taken off by manganese steel fibrous layer and be attached to its right side, so that its impact stability is more excellent, so that hemisphere spool is flowing Under body long-time high speed impact, the phenomenon that being not in fracture, original pair of fluid making capacity of hemisphere spool is kept, second, When needing that lubricating oil is added into gear box, rotating plate is rotated, plug-hole square plate leaves oil leaking hole, lubricating oil is added from cylinder upper port Enter, lubricating oil can enter in gear box from the oil leaking hole of annular setting, more convenient that lubricating oil is added into gear box.

Detailed description of the invention

Fig. 1 is the main view local cutting schematic diagram of the utility model；

Fig. 2 is the lubricating oil adding apparatus enlarged structure schematic diagram of the utility model；

Fig. 3 is the oil leaking hole distribution schematic diagram of the utility model；

Fig. 4 is the plug-hole square plate distribution schematic diagram of the utility model；

Fig. 5 is enlarged structure schematic diagram at a of the utility model.

In figure: 1 valve seat, 2 limbers, 3 spherical cavities, 4 hemisphere spools, 5 circle rotary columns, 6 circular grooves, 7 turn holes, 8 valve rods, 9 gear boxes, 10 oil inlets, 11 lubricating oil adding apparatus, 12 cylinders, 13 plectanes, 14 oil leaking holes, 15 circular holes, 16 bull sticks, 17 plug-hole square plates, 18 Circle supports ring, 19 torsional springs, 20 rotating plates, 21 stainless steel layers, 22 high-carbon steel fibrous layers, 23 silicon steel layers, 24 manganese steel fibrous layers, 25 tungsten chromium tungsten Alloy-layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of eccentric half-ball valve, including valve seat 1, valve seat 1 Inside is equipped with limbers 2, and side is equipped with spherical cavity 3 in the inside of limbers 2, and the inner wall close installation of spherical cavity 3 has hemisphere spool 4, and half Round valve core 4 is internally provided with a hemispherical groove, and hemisphere spool 4 rotates, the section that changeable fluid passes through in spherical cavity 3 Product realizes opening and closing limbers 2, and the upper middle side part of valve seat 1 is fixedly installed with gear box 9, and the upper center of gear box 9 is equipped with oil inlet Mouth 10, the upper port of oil inlet 10 corresponds to the lower port of cylinder 12, by the way that lubricating oil is added to 12 upper port of cylinder, can will lubricate Oil is added in gear box 9, and the upper port of oil inlet 10 is fixedly connected with lubricating oil adding apparatus 11.

Refering to fig. 1, the lower middle side part of hemisphere spool 4 is fixedly connected with round rotary column 5, and the inner lower of spherical cavity 3 is equipped with circular groove 6, the inner rotation of circular groove 6 installs circle rotary column 5, by being rotatably assorted for circular groove 6 and circle rotary column 5, so that turning on the downside of half-round valve core 4 Dynamic position is fixed, and limits 4 pivot offset of hemisphere spool, and the upper inside of spherical cavity 3 is equipped with turn hole 7, in the upside of hemisphere spool 4 Portion is fixedly connected with valve rod 8, and the inner rotation of turn hole 7 installs valve rod 8.

Refering to Fig. 2, Fig. 3 and Fig. 4, lubricating oil adding apparatus 11 includes cylinder 12, plectane 13, bull stick 16, plug-hole square plate 17, circle supports ring 18, torsional spring 19 and rotating plate 20, and side is equipped with plectane 13 in the inner wall of cylinder 12, and 13 inner annular of plectane is equipped with oil leak Hole 14 can will be added the downward water conservancy diversion of lubricating oil inside cylinder 12, be equipped with circular hole inside the middle side of plectane 13 by oil leaking hole 14 15, the internal slide of circular hole 15 is plugged with bull stick 16, the cross section of bull stick 16 and circular hole 15 be all it is round, bull stick 16 can be in circular hole The downside annular of rotation in 15, bull stick 16 is equipped with plug-hole square plate 17, the upper surface sliding contact oil leaking hole 14 of plug-hole square plate 17 Lower port, the closing by plug-hole square plate 17 to the lower port of oil leaking hole 14, limitation external dust enter in gear box 9, bull stick 16 lower part is fixedly installed with circle and supports ring 18, and the outside of bull stick 16 is cased with torsional spring 19, and torsional spring 19 is kinking swirl type, and initially turns round Fold-back spin is 20 newton, and incompressible, is supported by the natural resiliency of torsional spring 19, and limitation plug-hole square plate 17 rotates, torsional spring 19 upper end is fixedly connected on the lower end that circle supports ring 18, and the lower end of torsional spring 19 is fixedly connected on the upper end of plectane 13, bull stick 16 Upper end is fixedly connected with rotating plate 20, and rotating plate 20 is circular slab, plug-hole square plate 17 can be driven to revolve by rotating rotating plate 20 by hand Turn.

Refering to fig. 1 and Fig. 5, the inside of hemisphere spool 4 include stainless steel layer 21, high-carbon steel fibrous layer 22, silicon steel layer 23, Manganese steel fibrous layer 24 and tungsten chromium tungsten alloy layer 25, the right side press forging of stainless steel layer 21 have high-carbon steel fibrous layer 22, stainless steel layer 21 itself have good impact resistance, and corrosion-resistant, are taken off by high-carbon steel fibrous layer 22 and are attached to its right side, so that its rigidity is more By force, not easy to break, the right side founding of high-carbon steel fibre deck 22 has silicon steel layer 23, and the impact resistance of silicon steel layer 23 is stronger, and It is taken off by manganese steel fibrous layer 24 and is attached to its right side, stability is more excellent, and the right side press forging of silicon steel layer 23 has manganese steel so that it is impacted Fibrous layer 24, the right side founding of manganese steel fibrous layer 24 have tungsten chromium tungsten alloy layer 25, and tungsten chromium tungsten alloy layer 25 has hardness height, resistance to The characteristic of friction, the level for needing to contact when as fluid transmission, can effectively reduce abrasion of the high-velocity fluid to semisphere valve core 4.

When the utility model is specifically implemented: rotating plate 20 is rotated when needing that lubricating oil is added into gear box 9, so that turning Bar 16 drives plug-hole square plate 17 to rotate, so that plug-hole square plate 17 leaves oil leaking hole 14, torsional spring 19 is by kinking, by lubricating oil from cylinder 12 upper ports are added, and lubricating oil can enter in gear box 9 from the oil leaking hole 14 of annular setting, until by again inside gear box 9 After filling lubricating oil, derotation rotating plate 20 passes through plug-hole square plate 17 so that plug-hole square plate 17 blocks the lower port of oil leaking hole 14 again Closing to the lower port of oil leaking hole 14, limitation external dust enter in gear box 9, are supported by the natural resiliency of torsional spring 19, It limits plug-hole square plate 17 to rotate, more convenient that lubricating oil is added into gear box 9, stainless steel layer 21 itself has good resistance to punching Hitting property, and it is corrosion-resistant, it is taken off by high-carbon steel fibrous layer 22 and is attached to its right side, so that its is more rigid, not easy to break, silicon steel layer 23 Impact resistance it is stronger, and by manganese steel fibrous layer 24 take off be attached to its right side so that its impact stability it is more excellent, tungsten chromium tungsten alloy Layer 25 has hardness height, the characteristic of rub resistance, and the level for needing to contact when as fluid transmission can effectively reduce high-velocity fluid pair The abrasion of hemisphere spool 4, so that the phenomenon that hemisphere spool 4 is not in fracture under fluid long-time high speed impact, keeps half 4 original pairs of fluid making capacities of ball valve core.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (1)

1. a kind of eccentric half-ball valve, including valve seat (1), it is characterised in that: the inside of the valve seat (1) is equipped with limbers (2), institute It states side in the inside of limbers (2) and is equipped with spherical cavity (3), the inner wall close installation of the spherical cavity (3) has hemisphere spool (4), described The upper middle side part of valve seat (1) is fixedly installed with gear box (9), and the upper center of the gear box (9) is equipped with oil inlet (10), institute The upper port for stating oil inlet (10) is fixedly connected with lubricating oil adding apparatus (11), and the lubricating oil adding apparatus (11) includes Cylinder (12), bull stick (16), plug-hole square plate (17), is justified and supports ring (18), torsional spring (19) and rotating plate (20) plectane (13), and described half The inside of ball valve core (4) includes stainless steel layer (21), high-carbon steel fibrous layer (22), silicon steel layer (23), manganese steel fibrous layer (24) With tungsten chromium tungsten alloy layer (25)；The lower middle side part of the hemisphere spool (4) is fixedly connected with round rotary column (5), the inside of spherical cavity (3) Downside is equipped with circular groove (6), and the inner rotation of circular groove (6) installs circle rotary column (5), and the upper inside of spherical cavity (3) is equipped with turn hole (7), The upper middle side part of hemisphere spool (4) is fixedly connected with valve rod (8), and the inner rotation of turn hole (7) installs valve rod (8)；The cylinder (12) side is equipped with plectane (13) in inner wall, and plectane (13) inner annular is equipped with oil leaking hole (14), inside the middle side of plectane (13) Equipped with circular hole (15), the internal slide of circular hole (15) is plugged with bull stick (16), and the downside annular of bull stick (16) is equipped with plug-hole square plate (17), the lower port of the upper surface sliding contact oil leaking hole (14) of plug-hole square plate (17), the lower part of bull stick (16) are fixedly installed with Circle supports ring (18), is cased with torsional spring (19) on the outside of bull stick (16), and the upper end of torsional spring (19) is fixedly connected on circle and supports under ring (18) End, the lower end of torsional spring (19) are fixedly connected on the upper end of plectane (13), and the upper end of bull stick (16) is fixedly connected with rotating plate (20)；Institute The right side press forging for stating stainless steel layer (21) has high-carbon steel fibrous layer (22), and the right side founding of high-carbon steel fibrous layer (22) has silicon Steel layer (23), the right side press forging of silicon steel layer (23) have manganese steel fibrous layer (24), and the right side founding of manganese steel fibrous layer (24) has Tungsten chromium tungsten alloy layer (25).